Inventors Who Changed the World

Learn how to become a Roman soldier, read about living in an earthquake zone, find out how you can help save the planet-and much, much more! Connect with the geography, science, and history topics that interest you most in a variety of fun-to-read formats-guidebooks, cookbooks, encyclopedias, how-to books, and journals. Full of entertaining photos and illustrations, there's more than one Crabtree Connection that's just right for you!

Science Fact or Fiction? You Decide!

Sick at Sea? Cure it or cut it off!

Space Blog

Go Greek!

Ancient Greek Adventure

Sports Heroes of Ancient Greece

Deep Sea Exploration

Water Wise!

Coastal Treasure Hunter

Heroes of Medicine and Their Discoveries

Inventors Who Changed the World

Inventors' Secret Scrapbook

On Expedition with Lewis and Clark

Rainforest Research Journal

Record-breaking Earth

WWII Survival Tips

Reports from the Front in WWII

Who's Who in WWII

What the Romans Did for the World

Roman City Guidebook

A Roman Soldier's Handbook

Extreme Places: Could you live here?

Landscape Detective: Tracking Changes in your Surroundings

Passport to Paris

Quick Expert: Ancient Egypt

Egyptian Treasures

Visit Egypt!

Backyard Cookbook

Backyard Encyclopedia

Backyard Heroes

Get Active!

See for Yourself: Body Science

Head-to-Toe Body Questions

Ask an Expert: Climate Change

Go Green! Lead the way

Is our weather getting worse?

Ever had an Idea that you thought could Change the World?

Thomas Edison lit up the world.

The Wright Brothers helped us fly around it.

Tim Berners-Lee helped us all communicate in cyberspace.

Discover the amazing brains behind the inventions we could not live without!